16451454212425 has 12 divisors (see below), whose sum is σ = 20402731500736. Its totient is φ = 13159274158800.

The previous prime is 16451454212423. The next prime is 16451454212429. The reversal of 16451454212425 is 52421245415461.

It is a happy number.

It is not a de Polignac number, because 16451454212425 - 2¹ = 16451454212423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16451454212423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47052621 + ... + 47400970.

Almost surely, 2^{16451454212425} is an apocalyptic number.

It is an amenable number.

16451454212425 is a deficient number, since it is larger than the sum of its proper divisors (3951277288311).

16451454212425 is an equidigital number, since it uses as much as digits as its factorization.

16451454212425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94460568 (or 94460563 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 46.

Adding to 16451454212425 its reverse (52421245415461), we get a palindrome (68872699627886).

The spelling of 16451454212425 in words is "sixteen trillion, four hundred fifty-one billion, four hundred fifty-four million, two hundred twelve thousand, four hundred twenty-five".